diff --git a/ui/.prettierrc.json b/ui/.prettierrc.json
index 511ba8d..2a391e6 100644
--- a/ui/.prettierrc.json
+++ b/ui/.prettierrc.json
@@ -1,7 +1,8 @@
 {
   "$schema": "https://json.schemastore.org/prettierrc",
-  "semi": false,
+  "semi": true,
   "singleQuote": true,
+  "trailingComma": "all",
   "printWidth": 100,
   "plugins": [
     "prettier-plugin-tailwindcss"
diff --git a/ui/eslint.config.ts b/ui/eslint.config.ts
index d3d8f17..f576ccb 100644
--- a/ui/eslint.config.ts
+++ b/ui/eslint.config.ts
@@ -1,6 +1,6 @@
-import pluginVue from 'eslint-plugin-vue'
-import { defineConfigWithVueTs, vueTsConfigs } from '@vue/eslint-config-typescript'
-import skipFormatting from '@vue/eslint-config-prettier/skip-formatting'
+import pluginVue from 'eslint-plugin-vue';
+import { defineConfigWithVueTs, vueTsConfigs } from '@vue/eslint-config-typescript';
+import skipFormatting from '@vue/eslint-config-prettier/skip-formatting';
 
 // To allow more languages other than `ts` in `.vue` files, uncomment the following lines:
 // import { configureVueProject } from '@vue/eslint-config-typescript'
@@ -21,4 +21,4 @@ export default defineConfigWithVueTs(
   pluginVue.configs['flat/essential'],
   vueTsConfigs.recommended,
   skipFormatting,
-)
+);
diff --git a/ui/package-lock.json b/ui/package-lock.json
index 19572d8..a5ea0d0 100644
--- a/ui/package-lock.json
+++ b/ui/package-lock.json
@@ -9,6 +9,7 @@
       "version": "0.0.0",
       "dependencies": {
         "@tailwindcss/vite": "^4.0.6",
+        "monaco-editor": "^0.52.2",
         "tailwindcss": "^4.0.6",
         "vue": "^3.5.13",
         "vue-router": "^4.5.0"
@@ -4156,6 +4157,12 @@
       "dev": true,
       "license": "MIT"
     },
+    "node_modules/monaco-editor": {
+      "version": "0.52.2",
+      "resolved": "https://registry.npmjs.org/monaco-editor/-/monaco-editor-0.52.2.tgz",
+      "integrity": "sha512-GEQWEZmfkOGLdd3XK8ryrfWz3AIP8YymVXiPHEdewrUq7mh0qrKrfHLNCXcbB6sTnMLnOZ3ztSiKcciFUkIJwQ==",
+      "license": "MIT"
+    },
     "node_modules/mrmime": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/mrmime/-/mrmime-2.0.0.tgz",
diff --git a/ui/package.json b/ui/package.json
index a0b834e..7d320c7 100644
--- a/ui/package.json
+++ b/ui/package.json
@@ -15,6 +15,7 @@
   },
   "dependencies": {
     "@tailwindcss/vite": "^4.0.6",
+    "monaco-editor": "^0.52.2",
     "tailwindcss": "^4.0.6",
     "vue": "^3.5.13",
     "vue-router": "^4.5.0"
diff --git a/ui/src/App.vue b/ui/src/App.vue
index 53b92f5..96a4023 100644
--- a/ui/src/App.vue
+++ b/ui/src/App.vue
@@ -1,5 +1,5 @@
 <script setup lang="ts">
-import { RouterLink, RouterView } from 'vue-router'
+import { RouterLink, RouterView } from 'vue-router';
 </script>
 
 <template>
@@ -38,10 +38,10 @@ import { RouterLink, RouterView } from 'vue-router'
 
     <footer class="bg-gray-100">
       <div class="mx-auto max-w-7xl px-4 py-4 sm:px-6 lg:px-8">
-        <p class="text-center text-sm text-gray-500">© {{new Date().getFullYear()}} Glancr. All rights reserved.</p>
+        <p class="text-center text-sm text-gray-500">
+          © {{ new Date().getFullYear() }} Glancr - All rights reserved.
+        </p>
       </div>
     </footer>
   </div>
 </template>
-
-<style scoped></style>
diff --git a/ui/src/components/EditorPage.vue b/ui/src/components/EditorPage.vue
index e363ed2..3f81e5f 100644
--- a/ui/src/components/EditorPage.vue
+++ b/ui/src/components/EditorPage.vue
@@ -1,6 +1,16 @@
-<script lang="ts">
+<script setup lang="ts">
+import { ref, defineAsyncComponent } from 'vue'
+
+const MonacoEditor = defineAsyncComponent(() => import('@/components/MonacoEditor.vue'))
+
+const code = ref('# Hello from markdown\n\n\t> this is a markdown note')
 </script>
 
 <template>
-  <h1 class="font-bold text-red-500">Editor Placeholder</h1>
+  <Suspense>
+    <MonacoEditor v-model="code" language="markdown" :options="{ readOnly: false }" />
+    <template #fallback>
+      <div>Loading editor...</div>
+    </template>
+  </Suspense>
 </template>
diff --git a/ui/src/components/MonacoEditor.vue b/ui/src/components/MonacoEditor.vue
new file mode 100644
index 0000000..a4a1377
--- /dev/null
+++ b/ui/src/components/MonacoEditor.vue
@@ -0,0 +1,96 @@
+<script setup lang="ts">
+import { ref, onMounted, onBeforeUnmount, watch } from 'vue'
+import { editor } from 'monaco-editor/esm/vs/editor/editor.api.js'
+import { setupMonaco } from '@/workers/monaco.workers'
+
+import 'monaco-editor/esm/vs/basic-languages/markdown/markdown.contribution'
+
+// Load common languages for code fences
+const loadLanguage = async (language: string) => {
+  switch (language) {
+    case 'javascript':
+      await import('monaco-editor/esm/vs/basic-languages/javascript/javascript.contribution')
+      break
+    case 'typescript':
+      await import('monaco-editor/esm/vs/basic-languages/typescript/typescript.contribution')
+      break
+    case 'python':
+      await import('monaco-editor/esm/vs/basic-languages/python/python.contribution')
+      break
+    // Add more languages as needed
+  }
+}
+
+// Initialize monaco workers
+setupMonaco()
+
+const props = defineProps<{
+  modelValue: string
+  language?: string
+  options?: editor.IStandaloneEditorConstructionOptions
+}>()
+
+const emit = defineEmits<{
+  (e: 'update:modelValue', value: string): void
+}>()
+
+const editorContainer = ref<HTMLElement | null>(null)
+let editorInstance: editor.IStandaloneCodeEditor | null = null
+
+// Function to detect and load languages from code fences
+const loadLanguagesFromContent = async (content: string) => {
+  const codeBlockRegex = /```(\w+)/g
+  const matches = [...content.matchAll(codeBlockRegex)]
+  const languages = [...new Set(matches.map((match) => match[1]))]
+
+  await Promise.all(languages.map((lang) => loadLanguage(lang)))
+}
+
+onMounted(async () => {
+  if (!editorContainer.value) return
+
+  // Load initial languages from content
+  await loadLanguagesFromContent(props.modelValue)
+  // Create editor instance
+  editorInstance = editor.create(editorContainer.value, {
+    value: props.modelValue,
+    language: 'markdown',
+    theme: 'vs-dark',
+    automaticLayout: true,
+    minimap: { enabled: false },
+    wordWrap: 'on',
+    quickSuggestions: false,
+    ...props.options,
+  })
+
+  // Handle content changes
+  editorInstance.onDidChangeModelContent(() => {
+    const value = editorInstance?.getValue() ?? ''
+    emit('update:modelValue', value)
+    loadLanguagesFromContent(value) // Load languages when content changes
+  })
+})
+
+// Watch for external value changes
+watch(
+  () => props.modelValue,
+  async (newValue) => {
+    if (editorInstance && newValue !== editorInstance.getValue()) {
+      await loadLanguagesFromContent(newValue)
+      editorInstance.setValue(newValue)
+    }
+  },
+)
+
+// Cleanup
+onBeforeUnmount(() => {
+  if (editorInstance) {
+    editorInstance.dispose()
+  }
+})
+</script>
+
+<template>
+  <div ref="editorContainer" class="w-full h-full min-h-[300px]"></div>
+</template>
+
diff --git a/ui/src/router/index.ts b/ui/src/router/index.ts
index a249f34..dca7b4c 100644
--- a/ui/src/router/index.ts
+++ b/ui/src/router/index.ts
@@ -1,6 +1,6 @@
-import { createRouter, createWebHistory } from 'vue-router'
-import HomeView from '../views/HomeView.vue'
-import NotFoundView from '../views/NotFoundView.vue'
+import { createRouter, createWebHistory } from 'vue-router';
+import HomeView from '../views/HomeView.vue';
+import NotFoundView from '../views/NotFoundView.vue';
 
 const router = createRouter({
   history: createWebHistory(import.meta.env.BASE_URL),
@@ -19,11 +19,11 @@ const router = createRouter({
       component: () => import('../views/AboutView.vue'),
     },
     {
-      path: "/:catchAll(.*)",
+      path: '/:catchAll(.*)',
       name: 'not-found',
       component: NotFoundView,
     },
   ],
-})
+});
 
-export default router
+export default router;
diff --git a/ui/src/views/AboutView.vue b/ui/src/views/AboutView.vue
index f8cfde6..3fa2807 100644
--- a/ui/src/views/AboutView.vue
+++ b/ui/src/views/AboutView.vue
@@ -3,5 +3,3 @@
     <h1>This is an about page</h1>
   </div>
 </template>
-
-<style></style>
diff --git a/ui/src/workers/monaco.workers.ts b/ui/src/workers/monaco.workers.ts
new file mode 100644
index 0000000..3775a9b
--- /dev/null
+++ b/ui/src/workers/monaco.workers.ts
@@ -0,0 +1,12 @@
+import editorWorker from 'monaco-editor/esm/vs/editor/editor.worker?worker';
+
+self.MonacoEnvironment = {
+  getWorker() {
+    return new editorWorker();
+  },
+};
+
+export function setupMonaco() {
+  // This function is intentionally empty - it just needs to be imported
+  // to set up the workers
+}
diff --git a/ui/vite.config.ts b/ui/vite.config.ts
index 588eb96..7892f6f 100644
--- a/ui/vite.config.ts
+++ b/ui/vite.config.ts
@@ -1,20 +1,16 @@
-import { fileURLToPath, URL } from 'node:url'
+import { fileURLToPath, URL } from 'node:url';
 
-import { defineConfig } from 'vite'
-import vue from '@vitejs/plugin-vue'
-import vueDevTools from 'vite-plugin-vue-devtools'
-import tailwindcss from '@tailwindcss/vite'
+import { defineConfig } from 'vite';
+import vue from '@vitejs/plugin-vue';
+import vueDevTools from 'vite-plugin-vue-devtools';
+import tailwindcss from '@tailwindcss/vite';
 
 // https://vite.dev/config/
 export default defineConfig({
-  plugins: [
-    vue(),
-    vueDevTools(),
-    tailwindcss(),
-  ],
+  plugins: [vue(), vueDevTools(), tailwindcss()],
   resolve: {
     alias: {
-      '@': fileURLToPath(new URL('./src', import.meta.url))
+      '@': fileURLToPath(new URL('./src', import.meta.url)),
     },
   },
-})
+});